84 lines
2.9 KiB
C
84 lines
2.9 KiB
C
/*
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* Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
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* Copyright (c) 2002-2007, Professor Benoit Macq
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* Copyright (c) 2002-2003, Yannick Verschueren
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* Copyright (c) 2005, Herve Drolon, FreeImage Team
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* Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __JPT_H
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#define __JPT_H
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/**
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@file jpt.h
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@brief JPT-stream reader (JPEG 2000, JPIP)
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JPT-stream functions are implemented in J2K.C.
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*/
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#include "openjpeg.h"
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struct opj_stream_private;
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struct opj_event_mgr;
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/**
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Message Header JPT stream structure
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*/
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typedef struct opj_jpt_msg_header
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{
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/** In-class Identifier */
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OPJ_UINT32 Id;
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/** Last byte information */
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OPJ_UINT32 last_byte;
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/** Class Identifier */
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OPJ_UINT32 Class_Id;
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/** CSn : index identifier */
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OPJ_UINT32 CSn_Id;
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/** Message offset */
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OPJ_UINT32 Msg_offset;
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/** Message length */
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OPJ_UINT32 Msg_length;
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/** Auxiliary for JPP case */
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OPJ_UINT32 Layer_nb;
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} opj_jpt_msg_header_t;
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/* ----------------------------------------------------------------------- */
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/**
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Initialize the value of the message header structure
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@param header Message header structure
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*/
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void jpt_init_msg_header(opj_jpt_msg_header_t * header);
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/**
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* Read the message header for a JPP/JPT - stream
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* @param p_cio stream handle
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* @param header JPT Message header structure
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* @param p_manager user event manager to display nice messages.
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*/
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bool jpt_read_msg_header(
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struct opj_stream_private * p_cio,
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opj_jpt_msg_header_t * p_header,
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OPJ_UINT32 * p_nb_bytes_read,
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struct opj_event_mgr * p_manager);
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#endif
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